Download HEART NOTES HEART CHAMBERS: Atrium: (singular, atria: plural

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Atrium: (singular, atria: plural)
-upper chambers of the heart
- receive blood
Ventricles: lower chambers of the heart
- force blood OUT of the heart
Right side of the heart deals with blood LOW in oxygen
Left side of the heart deals with blood HIGH in oxygen
Septum: wall that separates the R & L ventricle
Apex: Bottom “tip” of the heart
ARTERIES: carry blood AWAY from the heart
- carry blood HIGH in oxygen to the body
- bright red due to being high in O2
- PULMONARY ARTERY: (carries blood from the R ventricle to the lungs) exception to the
“artery” definition, Pulmonary Artery carries blood LOW in O2,
VEINS: carry blood BACK/TOWARDS the heart
- carries blood LOW in oxygen
- dark red due to being low in O2
- PULMONARY VEIN: (carries blood from the Lungs to the L atrium) exception to the “vein”
definition, carries blood HIGH in O2
- tiny blood vessels that connect the smallest arteries (arterioles) to the smallest veins (venules).
- capillaries form a network throughout the body for the exchange of oxygen and metabolic waste
products, and carbon dioxide between blood and tissue cells
AORTA: largest artery in the body
VENA CAVA: largest vein in the body
Angina Pectoris: pain from the inadequate, (poor) flow of O2 to the heart
- AKA: chest pain
Myocardial Infarction: “heart attack”
- signs/symptoms of a heart attack: chest pain, radiating pain in the shoulder, arm, neck, jaw,
nausea and vomiting, diaphoresis (profuse sweating) and dyspnea (difficulty breathing)
- symptoms of a heart attack frequently mimic indigestion